Which equation represents the half-reaction that takes place at the fork?

Answers

Answer 1

The fork is negative electrode and so the Cathode. Reduction is the process takes place at the cathode. Silver ions are attached to the negative electrode (fork) and combines with electron to form metallic silver which is the fork contains.
So the equation will be:
Ag + (aq) + e ---------> Ag(s)

Related Questions

What characteristics are shared by all alkali metals and alkaline earth metals? no answer provided
a. they do not react with water at all.
b. they are strong and shiny.
c. they form alkaline solutions when mixed with water.
d. they conduct electricity very well?

Answers

Final answer:

Alkali metals and alkaline earth metals share several characteristics: they react with water to form alkaline solutions, they are shiny and have a metallic appearance, and they conduct electricity well.

Explanation:

Alkali metals and alkaline earth metals share several characteristics:

They react with water to form alkaline solutions. Alkali metals like sodium and potassium are highly reactive and can vigorously react with water, releasing hydrogen gas and forming alkaline solutions.They are shiny and have a metallic appearance. Alkali metals and alkaline earth metals are good conductors of heat and electricity, which gives them a shiny and metallic appearance.They conduct electricity well. Both alkali metals and alkaline earth metals are good conductors of electricity due to the presence of loosely held outer electrons.

Learn more about characteristics of alkali metals and alkaline earth metals here:

https://brainly.com/question/12708549

#SPJ12

This is the uneven distribution of bonding electrons in a molecule creating partially positive and negative sides of that molecule. example: water and ammonia have this, but methane does not

Answers

Following are the molecules of interest H2O, NH3 and CH4.

In each of the above system, central element undergoes sp3 hybridization.

For example, in H2O, oxygen undergoes sp3 hydridization
in case of NH3, nitrogen underdoes sp3 hybridization,
and in case of CH4, methane undergoes sp3 hydridization.

Followed by hybridization, the hybridized orbitals are unsymmetrically occupied in case of H2O and NH3. In water, two hybridized orbitals are occupied by H atom and remaining two orbitals contain lone pair of electrons. In case of NH3, three hybridized orbitals are utilized for bonding with H atom, while one hybridized orbital contain lone pair of electron. In contrast to this, in case of methane all the four hybridized orbitals are utilized for bonding with hydrogen. Thus, methane is symmetrically substituted in contrast to water and ammonia. Due to this, there is the uneven distribution of bonding electrons in H2O and NH3, thereby creating a partially positive and negative sides of that molecule.

How many atoms of zinc are in 0.60 mol of zinc? 2. how many moles is 3.52 × 1024 molecules of water? 3. how many atoms are in 2.00 moles of li? 4. how many moles are in 6.02 x 1023 atoms of carbon? 5. how many moles are in 4.9 x 1023 molecules of zncl2?

Answers

question 1
by use of Avogadro law
that is,1 mole = 6.02 x10^23 atoms
what about 0.60 moles
by use of cross multipication

=(0.60 mole/ x 6.02 x10^23)/ 1mole = 3.612 x10^23 atoms of Zn

question 2
by use of Avogadro law constant
that is 1 mole =6.02 x10^23 molecules
what about 3.52 x10^24 molecules
by cross multiplication
=( 1 mole x3.52 x10^24 molecules/6.02 x10^23 molecules) = 5.847 moles of water

question 3

by use of Avogadro law constant
1 mole = 6.02 x10^23 atoms
what about 2 moles =? atoms
by use of cross multiplication
=( 2moles x 6.02 x10^23 )/1mole= 1.204 x10^24 atoms of Li

question 4

by use of Avogadro law constant
1 mole = 6.02 x10^23 atoms
what about 6.02 x10^23 atoms =? moles
cross multiplication
(1 mole x6.02 x10^23 atoms)/(6.02 x10^23 atoms)= 1 mole of carbon

question 5
by use Avogadro law constant
1 mole =6.02 x10^23 molecules
what about 4.9 x10^23 moles =? moles
by cross multipication
=( 1mole x 4.9 x10^23 molecules) /6.02 x10^23 molecules = 0.81 moles ZNCl2

Final answer:

To calculate the number of atoms, molecules, or moles, we use Avogadro's number (6.02 × 10²³). There are 6.02 × 10²³ atoms in 0.60 mol of zinc. Dividing the number of molecules by Avogadro's number gives us the moles for each compound in the problems posed.

Explanation:

To solve these types of problems, we use Avogadro's number (6.02 × 10²³), which is the number of units in one mole of any substance. This can be atoms, ions, or molecules, depending on the context of the substance in question.

Answers:

There are 6.02 × 10²³ atoms of zinc in 0.60 mol of zinc.To find how many moles 3.52 × 10²⁴ molecules of water represents, divide by Avogadro's number: 3.52 × 10²⁴ molecules ÷ (6.02 × 10²³ molecules/mol) ≈ 5.84 mol of water.For lithium, there are 2 × 6.02 × 10²³ atoms in 2.00 moles of Li, since 1 mol of any element contains exactly 6.02 × 10²³ atoms by definition.Having 6.02 × 10²³ atoms of carbon means you have 1 mole of carbon, as 1 mol is equivalent to Avogadro's number of atoms.To determine the number of moles in 4.9 × 10²³ molecules of ZnCl₂, divide by Avogadro's number: 4.9 × 10²³ molecules ÷ 6.02 × 10²³ molecules/mol ≈ 0.814 mol of ZnCl₂.

Hg(OH)2+H3PO4=Hg3(PO4)2+H2O

Answers

The balanced reaction equation can be written as;

[tex]3Hg(OH)_2 + 2H_3PO_4 --- > Hg_3(PO_4)_2 + 6H_2O[/tex]

How to balance chemical reaction

Balancing a chemical reaction involves ensuring that the number of atoms of each element is the same on both sides of the equation. Start by writing the unbalanced equation and counting the number of atoms for each element. Begin balancing with the most complex molecules and then move on to balancing other elements.

From the question, we would have to look at the reactants and the products and know the coefficients to add so that we obtain the balanced reaction so we have that the reaction equation is;

[tex]3Hg(OH)_2 + 2H_3PO_4 --- > Hg_3(PO_4)_2 + 6H_2O[/tex]

Learn more about chemical reaction:https://brainly.com/question/34137415

#SPJ6

Which term refers to an electrochemical cell that produces an electric current?
porous barrier
galvanic cell
electrolytic cell
inert electrode

Answers

Correct answer: Galvanic cell

Reason:
Following are the differences between Galvanic cell and electrolytic cell:
1. Galvanic cell converts chemical energy into electrical energy , on other hand electrolytic cell converts electrical energy into chemical energy.
2. In galvanic cell, redox reaction is spontaneous and is responsible for the production of electrical energy. in electrolytic cell, the redox reaction is not spontaneous and electrical energy has to be supplied to initiate the reaction.

Thus, galvanic cell refers to an electrochemical cell that produces an electric current

A solution mass of 1 kg is ___ times greater than 100 g, thus one kilogram (1 kg) of a 2.5% ki solution would contain _____ of ki.

Answers

The answer is "A solution mass of 1 kg is 10 times greater than 100 g, thus one kilogram (1 kg) of a 2.5% KI solution would contain 25 grams of KI."
A 2.5% by mass KI solution is equivalent to 2.5 grams of KI divided by 100 grams of the KI solution and then multiply by 100. We can multiply 10 to the masses of the solute and the solution so that 100 grams becomes 1000 grams.
2.5% by mass = (mass of solute / mass of solution) *100
= [(2.5g*10) / (100g*10)] *100
= (25g solute/1000g solution) *100
Since 1000 grams is equal to 1 kg, the expression becomes
2.5% by mass = (25g solute/1kg solution) *100
Therefore, 2.5% by mass KI solution would contain 25 grams KI in 1 kilogram solution.

A 1 kg solution is 10 times greater than 100 g, and a 2.5% KI solution with a mass of 1 kg would contain 25 g of KI.

A solution mass of 1 kg is 10 times greater than 100 g. To determine the amount of potassium iodide (KI) in a 2.5% KI solution with a total mass of 1 kg, we can calculate the mass of the solute (KI) by using the percent by mass formula:

Percent by mass = (Mass of solute / Mass of solution) x 100

In this case, the mass of the solute is 2.5% of 1 kg, which can be calculated as follows:

Mass of KI = 0.025 x 1 kg = 0.025 kg or 25 g

This means that a 1 kg solution containing a 2.5% KI would have 25 g of potassium iodide.

Which of these has the highest h+ concentration? lemon juice, ph = 2.3 red wine, ph = 3.2 tomato juice, ph = 4.7 household ammonia, ph = 10.8?

Answers

Answer:

Lemon juice has the highest [tex]H^+[/tex] concentration.

Explanation:

The pH of the solution id the negative logarithm of hydrogen ion concentration in an aqueous solution.

[tex]pH=-\log[H^+][/tex]

1) Lemon juice with pH = 2.3

[tex]2.3=-\log[H^+][/tex]

[tex][H^+]=0.005011 M[/tex]

2)Wine with pH = 3.2

[tex]3.2=-\log[H^+][/tex]

[tex][H^+]=0.006309 M[/tex]

3)Tomato juice with pH = 4.7

[tex]4.7=-\log[H^+][/tex]

[tex][H^+]=1.99\times 10^{-5} M[/tex]

4)House hold ammonia with pH = 10.8

[tex]10.8=-\log[H^+][/tex]

[tex][H^+]=1.584\times^{-11} M[/tex]

Lemon juice with a pH of 2.3 has the lowest pH value.

What is the pH scale?

The pH scale measures the acidity or alkalinity of a solution, with lower pH values indicating higher acidity and higher pH values indicating higher alkalinity.

For this question, we want to find the solution with the highest H+ (hydrogen ion) concentration, which corresponds to the lowest pH value.

Considering all the options given; Lemon juice with a pH of 2.3 has the lowest pH value, indicating the highest H+ concentration.

Therefore, lemon juice has the highest H+ concentration among the given options.

Learn more about pH scale here: https://brainly.com/question/26424076

#SPJ4

If a gas is heated from 263 to 298 k, the volume is 24 l to 35 l at 1.00 atm pressure. what is the final pressure?

Answers

There is a formula for this:
P1*V1/T1=P2*V2/T2

just plug in the numbers and solves!!
if you have any more issues, let me know!!

If a gas is heated from 263 to 298 k, the volume is 24 l to 35 l at 1.00 atm pressure. Then, the final pressure is approximately 0.725 atm.

We, can use the combined gas law. This law relates the pressure, volume, and temperature of a gas with the formula (P₁ x V₁)/T₁ = (P₂ x V₂)/T₂, where P is pressure, V is volume, and T is temperature in Kelvin.

First, we will plug in the initial conditions:

Initial pressure (P₁) = 1.00 atmInitial volume (V₁) = 24 LInitial temperature (T₁) = 263 KFinal volume (V₂) = 35 LFinal temperature (T₂) = 298 K

We want to find the final pressure (P₂), so we rearrange the formula to solve for P₂:

After plugging in the values:

P₂ = (1.00 atm x 24 L x 298 K) / (35 L x 263 K)

P₂ ≈ 0.725 atm

Therefore, the final pressure of the gas is approximately 0.725 atm after it is heated and the volume expands.

Given the equation zn(s) + 2 hcl(aq) → zncl2(aq) + h2(g), what mass of hydrogen gas is produced when 2.8 g zn is reacted with excess aqueous hydrocholric acid?

Answers

Final answer:

To calculate the mass of hydrogen gas produced, we use stoichiometry of the chemical reaction between Zn and excess HCl. After determining moles of Zn from the given mass, we find the moles of H2, which is equal due to the 1:1 molar ratio, and then multiply by the molar mass of H2 to get 0.0863 g of hydrogen gas.

Explanation:

Calculating the Mass of Hydrogen Gas

To calculate the mass of hydrogen gas produced when 2.8 g of Zn is reacted with excess hydrochloric acid (HCl), we will use the stoichiometry of the balanced chemical reaction: Zn(s) + 2 HCl(aq) → ZnCl₂ (aq) + H₂(g). The reaction shows that one mole of Zn produces one mole of H2. First, we find the molar mass of Zn, which is approximately 65.38 g/mol.

Step 1: Calculate the moles of Zn.

Moles of Zn = (mass of Zn) / (molar mass of Zn) = 2.8 g / 65.38 g/mol = 0.0428 mol

Step 2: Determine the moles of H2 formed using the molar ratio from the balanced equation (1:1).

Moles of H2 = Moles of Zn = 0.0428 mol

Step 3: Calculate the mass of H2 using the molar mass of H2 (approximately 2.016 g/mol).

Mass of H2 = Moles of H2 × Molar mass of H2 = 0.0428 mol × 2.016 g/mol = 0.0863 g

Therefore, the mass of hydrogen gas produced is 0.0863 g.

What is the total number of moles (n) of electrons exchanged between the oxidizing agent and the reducing agent in the overall redox equation: 5 Ag (aq) +Mn2 (aq) +4H20()5Ag(s)+ MnO4 (aq) +8H' (aq)
a. 1
b. 2
c. 3
d. 5 (
e.?

Answers

Answer:
5 moles of electrons

Explanation:

The balance equation is as follow,

5 Ag⁺ + Mn⁺² + 4 H₂O → 5 Ag + MnO₄⁻ + 8 H⁺

Reduction of Ag:

Ag⁺ + 1 e⁻ → Ag
Or,
5 Ag⁺ + 5 e⁻ → 5 Ag

Oxidation of Mn:

Mn⁺² → MnO₄⁻ + 5 e⁻

Result:
Hence 5 moles of Ag⁺ accepts 5 electrons from 1 mole of Mn⁺².

HELPPP WILL GIVE BRAINLIEST

The scientist Robert Boyle observed that a gas can expand to fill its container. Explain how Boyle's observation is explained by the Kinetic Theory of Matter.

Answers

Kinetic Theory of matter explains the physical behavior of matter, in our case the behavior of gases. All important postulates regarding different properties of gases are as follow;

1) Sizes of Gas particles are very small, small enough to be considered as neglegible.

2) Kinetic energy of gas paricles is greater than that of Solids and liquids.

3) Distance between gas molecules is very large. That is why Boyle observed that a gas can expand to fill entire container.

4) Collisions take place between gas molecules and with the walls of container causing them to create pressure.

5) Forces of attraction between gas molecules is negligible, therefore they don't interact and never come close to each other.

6) Gravity has almost zero effect on the molecules of gas.

The poh of a solution is 9.32. calculate the hydrogen ion concentration of the solution.

Answers

Final answer:

To find the hydrogen ion concentration from the pOH value of 9.32, we first calculate the pH as 4.68. We then use the relationship [H3O+] = 10^-pH to find the hydronium ion concentration, which is approximately [tex]2.09 × 10^-5 M.[/tex]

Explanation:

The student asked about calculating the hydrogen ion concentration of a solution from its pOH. The pOH of a solution is 9.32, and we want to find the [H3O+]ion concentration, also written as [H+].

The relationship between pH, pOH, and ion concentrations in water at 25 °C is given by the equation:

pH + pOH = 14

From the given pOH value, we can find the pH:

pH = 14 - pOH

pH = 14 - 9.32 = 4.68

Once we have the pH, we can calculate the hydronium ion concentration using the inverse of the logarithmic relationship:

[H3O+] = 10-pH

[H3O+] = 10-4.68

The final hydrogen ion concentration, or hydronium ion concentration, is therefore approximately 2.09 × 10-5 M.

What is the main similarity among elements in group 2?

Answers

Answer:
Chemical Properties

Explanation:
Elements belonging to same group in a periodic table have same chemical properties. This similarity in chemical properties arises mainly from the same number of valence shell electrons. Group 2 elements also called Alkaline Earth Metals have two valence electrons in their valence shell with following electronic configuration....

ns²

Where "n" represents principle quantum number or number of main shell.

The reactivity of these elements is due to the metallic behavior as these elements looses two electrons to form a cation with +2 oxidation number. i.e.

X → X⁺² + 2 e⁻

Therefore, all elements present on Group II will form a cation with +2 oxidation number and behave in the same manner with different reagents.

Which intermolecular force would cause the highest boiling point?

Answers

Hydrogen bonds.
_____

According to the forces of attraction, the hydrogen bonds which are a type of inter molecular forces have the highest boiling point.

What are forces of attraction?

Forces of attraction is a force by which atoms in a molecule combine. it is basically an attractive force in nature. It can act between an ion and an atom as well.It varies for different states of matter that is solids, liquids and gases.

The forces of attraction are maximum in solids as the molecules present in solid are tightly held while it is minimum in gases as the molecules are far apart . The forces of attraction in liquids is intermediate of solids and gases.

The physical properties such as melting point, boiling point, density are all dependent on forces of attraction which exists in the substances.

Learn more about forces of attraction,here:

https://brainly.com/question/10957144

#SPJ5

Which piece of lab equipment is BEST used for storing sulfuric acid for a long period of time? A) soup can B) graduated cylinder C) metal tin with a cover D) glass bottle with a rubber top or stopper

Answers

D, a glass bottle with a rubber stopper.

The correct option is D. Glass bottle with a rubber top or stopper Equipment is Best used for storing sulfuric acid for a long period of time.

What is sulfuric acid?

Concentrated sulfuric acid is a hygroscopic material that, when in contact with air, absorbs moisture. As a result, it is kept in airtight bottles.

Acid sulfuric (also known as sulphuric acid, battery acid, vitriol, mineral acid and hydrogen sulfate).

The production of fertilizers, pigments, dyes, medicines, explosives, detergents, inorganic salts and acids, as well as petroleum refining and metallurgical operations like plating, anodizing, and steel fabrication all utilize different amounts of acid.

Therefore, The correct option is D. Glass bottle with a rubber top or stopper Equipment is Best used for storing sulfuric acid for a long period of time.

To learn more about sulfuric acid, refer to the link:

https://brainly.com/question/1107054

#SPJ2

Describe how to find the atomic number for the element oxygen

Answers

Go to you periodic of elements and find oxygen.
Oxygen has eight protons. so its atomic number is eight.

define :
elements found in group 17, highly reactive, and gain 1 electron to become stable

Answers

The answer to your question: 'The Halogens'

That would be the halogen group, otherwise known as noble gases.

If 20.60 ml of 0.0100 m aqueous hcl is required to titrate 30.00 ml of an aqueous solution of naoh to the equivalence point, what is the molarity of the naoh solution?

Answers

the balanced equation for the above reaction is as follows;
NaOH + HCl -- > NaCl + H₂O
stoichiometry of NaOH to HCl is 1:1
number of HCl moles reacted - 0.0100 mol/L x 0.02060 L = 0.000206 mol
according to 1:1 molar ratio
number of NaOH moles reacted - 0.000206 mol
number of NaOH moles in 30.00 mL - 0.000206 mol
therefore number of NaOH moles in 1000 mL - 0.000206 mol / 0.03000 L = 0.00687 mol
molarity of NaOH is 0.00687 M

Answer : The molarity of the NaOH solution is, 0.00687 M.

Explanation :

The balanced chemical reaction will be:

[tex]HCl+NaOH\rightarrow NaCl+H_2O[/tex]

Using neutralization method :

[tex]n_1M_1V_1=n_2M_2V_2[/tex]

where,

[tex]n_1,M_1\text{ and }V_1[/tex] are the n-factor, molarity and volume of acid which is [tex]HCl[/tex]

[tex]n_2,M_2\text{ and }V_2[/tex] are the n-factor, molarity and volume of base which is NaOH.

We are given:

[tex]n_1=1\\M_1=0.0100M\\V_1=20.60mL\\n_2=1\\M_2=?\\V_2=30.00mL[/tex]

Putting values in above equation, we get:

[tex]1\times 0.0100M\times 20.60mL=1\times M_2\times 30.00mL\\\\M_2=0.00687M[/tex]

Hence, the molarity of the NaOH solution is, 0.00687 M.

Which of the following are monomers of the genetic material DNA?

monosaccharides

fatty acids

nucleotides

amino acids

Answers

Answer:
Nucleotides are the monomers of DNA.

Explanation:
Nucleic Acids polymers (DNA and RNA) are made up of repeating called Nucleotides.
Nucleotides consist of following parts;

1) Nucleoside: Which is made up of 5-carbon sugar and a nitrogenous base. Colored in RED.

2) A Phosphate group. Colored in BLUE.

Answer:

Nucleotides

Explanation:

The monomer units of DNA are nucleotides.

which of the following is the correct structural formula for ethene

Answers

Ethene belongs to class of unsaturated hydrocarbons called as Alkenes. Alkene contains a double bond between two carbon atoms. And the general formula for alkene is,

CnH2n

Whereas in Ethene, n = 2, so

C₂H₄

Therefore, in ethene there are two carbon atoms doubly bonded to each other via one sigma and one pi bond. Also each carbon atom is further covalently bonded to two hydrogen atoms via sigma bond as shown below,

Which of the following shows the correct rearrangement of the the heat equation q = mCpΔT to solve for specific heat?
answer is C
Cp-=q/m^T

Answers

when
q = m*Cp*ΔT

when q is Heat energy in Joules

and m is the mass of the substance in Kg

and Cp is the specific heat (J/Kg.K)

and Δ T is the change in temperature in Kelvin

so, by rearranging the formula we can get the specific heat Cp from:

∴Cp = q / m*ΔT

Answer:

[tex]C_{p} = \frac{q}{m(deltaT)}[/tex]

Gravitational potential energy is the energy something contains due to its ________ the Earth.
A. weight on
B. velocity on
C. position above
D. attraction towards

Answers

i believe this answer will be A

When combined two gases have a pressure of 4.0 atm.if one has a pressure of 1.5 atm , what is the pressure of the second gas?

Answers

When combined two gases have a pressure of 4.0 atm. If one has a pressure of 1.5 atm, the pressure of the second gas will be; 4.0 atm- 1.5 atm = 2.5 atm.
Total pressure = Partial pressure of one gas + partial pressure of the second gas.Therefore; the pressure of the second gas will be; 2.5 atm

Nonmetals form _________ bonds by sharing electrons to complete their valence shell and increase stability.
a.covalent
b.hydrogen
c.ionic
d.metallic

Answers

Covalent is the answer, covalent bonds involve sharing electrons between two non metals. Hydrogen bonds are between water molecules. Ionic bonds are between a metal and a nonmetal. Metallic bonds are between two metals.

Answer:

The answer is Covalent

Explanation:

Convert to standard notation 7.77x10^-4

Answers

0.000777

The exponent value tells you how many times you need to move the period in the number, and the sign tells the direction (positive, left; negative, right; when converting from standard to exponential, and the opposite when converting from exponential to standard).

The midpoint of GH is M(5,3). One endpoint is G(1,-5). Find the coordinates of the other endpoint H.

Answers

The answer is (9,11)

Midpoint formula: (x1 + x2)/2, (y1 + y2)/2, where (x1, y1) and (x2, y2) are the endpoints of the segment

x-coordinate of midpoint = (x1 + x2)/2
5 = (1 + x2)/2
10 = 1 + x2
9 = x2

y-coordinate of midpoint = (y1 + y2)/2
3 = (-5 + y2)/2
6 = -5 + y2
11 = y2

Final answer:

The coordinates of the other endpoint, H, can be calculated using the midpoint formula: Endpoint = (2 x Midpoint) - Known Endpoint. Applying this formula, we find that the coordinates of endpoint H are (9, 11).

Explanation:

The subject of this question is Mathematics, specifically coordinate geometry. Given the midpoint M(5,3) and one endpoint G(1,-5), we're asked to find the coordinates of the other endpoint, H. The formula to find the coordinates of an endpoint when given the midpoint and another endpoint is as follows:

Endpoint = (2 x Midpoint) - Known Endpoint

So, applying this formula, we find H to be:

H = (2x5 - 1, 2x3 - (-5)) = (9, 11).

So the other endpoint H is at (9, 11).

Learn more about Midpoint formula here:

https://brainly.com/question/30242630

#SPJ2

What mass (g) of nan3 is required to provide 26.5 l of n2 at 22.0 °c and 1.10 atm?

Answers

NaN₃ (sodium azide) produces N₂ gas when it is heated. The balanced equation is,
2NaN₃ → 2Na + 3N₂

To find out mass of NaN₃, we have to find the moles of N₂ formed by using given data.

Let's assume that N₂ gas is an ideal gas. Then we can use ideal gas equation,
PV = nRT
Where,
P = Pressure of the gas (Pa)
V = volume of the gas (m³)
n = number of moles (mol)
R = Universal gas constant (8.314 J mol⁻¹ K⁻¹)
T = temperature in Kelvin (K)

The given data for N₂ gas is,
P = 1.10 atm = 111457.5 Pa
V = 26.5 L = 26.5 x 10⁻³ m³
T = (273 + 22) K = 295 K
R = 8.314 J mol⁻¹ K⁻¹
n = ?

By applying the formula,

111457.5 Pa x 26.5 x 10⁻³ m³ = n x 8.314 J mol⁻¹ K⁻¹ x 295 K
n = 1.204 mol

Hence, produced N₂ gas = 1.204 mol

The stoichiometric ratio between NaN₃ and N₂ is 2 : 3

hence moles of NaN₃ = 1.204 mol x 2 / 3
= 0.803 mol

Molar mass of NaN₃ = 65 g/mol

Hence, required mass of NaN₃ = 0.803 mol x 65 g/mol
= 52.195 g

If an element has three isotopes with known natural abundance percentages, what other information is needed to find the average atomic mass of the element?

Answers

the average atomic mass of the element is the weighted average atomic mass of element with respect to the natural abundance of all the isotopes.
isotopes are atoms of the same elements with different mass numbers , in other words same number of protons but different numbers of neutrons.
to find the average atomic mass we need to know the atomic masses of all the isotopes in addition to the natural abundance percentages of the isotopes.

answer is we need to know the atomic masses of the isotopes as well

The mass of each isotope.

What are the most elements of the periodic table?

Answers

Answer:

noble gases. nonmetals. metalloids.

Explanation:

they have the most elements

Why would the reliability of results collected for an experiment increase when several groups of students conduct the same experiment in class?
A) some groups might make a mistake
B) allows for different hypotheses
C) allows for different conclusions
D) shows that results are consistent

Answers

The best answer choice is D. In science experiments, it is always an unspoken goal to make sure the that results are consistent.
I hope this helps! :)

Answer:

Explanation:

Other Questions

Mathilde et Bernadette sont _____ de Paris.venuesvenuevenuvenus Ralph just started taking guitar lessons last week. jimmie has been playing guitar for almost 20 years. according to the concept of social facilitation, performing in front of an audience of strangers and friends tonight is likely to _____ ralph's performance and _____ jimmie's performance. decrease/decrease increase/enhance decrease/enhance increase/decrease the cost of internet access at a cafe is a function of time the cost for 8, 25, and 40 minutes are shown write the equation in slope-intercept form that represents the function then find the cost of surfing the web at the cafe for one hour H e l p.. I have no idea what any of this is, what is the first step of the hydrogen fusion process When i am divided into 22, the remained is one. when i am added to 5, the answer is an even number. what number am i? * 5 7 9 10 4 2/5? which nordic country is entirely within the north european lowland landform ? How did President Carters energy policy address our dependence on oil. Which of the following is the prime factored form of the lowest common denominator of? A.2 x 2 x 2 x 3 B.2 x 4 x 2 x 3 C.8 x 6 D.2 x 12 What are examples of organizational artifacts? select one:a. the unwritten rules that allow members to know what is expected of them.b. project team member job satisfaction.c. physical manifestations such as logo, dcor, dress, and physical layout.d. how people relate to each other? Please help!!!!!!! Estoy comiendo una manzana. correct or incorrect BRAINLIESTTTTT ASAP!!!1. Boron is to the immediate left of carbon in the same row in the periodic table. Which of the following statements compares the radius and pull exerted by the protons of boron and carbon atoms?Boron has a smaller radius and the protons in carbon exert a greater pull.Boron has a larger radius and the protons in carbon exert a greater pull.Boron has a smaller radius and the protons in carbon exert less pull.Boron has a larger radius and the protons in carbon exert less pull.2. Which of the following is a compound?Cl2H2OHeH2 A number cube is rolled 120 times. The number 4 comes up 47 times. What is the experimental probability of rolling a 4? What is the theoretical probability of rolling a 4?A. 47/120; 1/30B. 47/120; 1/6 ******C. 4/47; 1/6 D. 1/6; 47/120 Am I Correct? 10 points! Please help!How did religion help inspire African American slaves? Naomi is giving a presentation on historical figures. She has all the pictures of the people she wants to talk about. After each picture, she wants to write a summary of the accomplishments of each person. Which represent the process for making her presentation?A Click on File/Disk, select all pictures using the Shift key, and select New Text Box after each person.B Click on New Text Box, select File/Disk, select a picture, then repeat for each one.C Click on File/Disk, select each picture, then add captions to each slide.D Click on New Text Box, select all pictures using the Shift key, then add captions to each slide. Which kind of function best models the data in the table? Use differences or ratios.A. linear B. quadraticC. exponentialD. none of the above What best describes the expression y over 3?A. 3 more than some numberB. Some number times 3C. Some number divided by 3D. 3 less than some number Riley rubs two rocks together. She notices that some of the surface of one of the rocks was worn away to form small particles. What has happened to that rock?Was it Eroded or weathered? Robin tosses two number cubes 100 times and get a pair of 3s 18 times. What is the probability that she will roll a pair of 3s on her next toss? Which type of irony is feigning ignorance to gain knowledge? Dr. proctor is conducting an experiment to see if hummingbirds will visit red flowers more or less often than they visit yellow ones. what will be the independent variable in dr. proctor's experiment